摘要
该文采用ANSYS对某柴油机连杆衬套过盈装配进行模拟,获得了考虑油孔和不考虑油孔两种情况下接触面压力以及整体的应力分布情况,在参考已做实验的情况下分析了油孔对连杆小头和衬套过盈装配后的压力场和应力场的影响。结果表明,有无油孔不影响接触面平均压力,故不影响扭矩的传递,但是油孔处存在严重的应力集中,在过盈量为0.06mm时,不考虑油孔的最大应力为243.222MPa,考虑油孔的最大应力达到589.382MPa。油孔的存在大大减小了过盈装配时过盈量的取值范围,所以在分析计算衬套过盈量时不能忽略油孔,为衬套过盈量的确定提供了参考。
In this paper,ANSYS for a diesel engine connecting rod bearing assembly interferenee simulation obtained considering the hole and do not consider the contact surface pressure and overall stress distribution under the hole in both cases, analysis of the experiment has been done in the reference case the effect of the hole on the pressure and stress field of head and rod small bush offer assembly of interferenee. The results showed that the hole does not affect whether the average contact surface pressure, it does not affect the transfer of torque, but because of the presence of severe stress concentration at the hole in the amount of interferenee is 0.06mm, the hole is not considered a maximum stress of 243.222 MPa, considering the maximum stress reaches the hole 589.382MPa. Hole＇s presence is greatly reduced in the range of interference when interference fit, so when analyzing the calculation of the amount of interference can not be ignored bushing hole for the bush to determine the amount of interferenee provides a reference.
出处
《机械设计与制造》
北大核心
2016年第12期105-107,共3页
Machinery Design & Manufacture
关键词
连杆衬套
过盈量
油孔
有限元法
Connecting
Rod Bearing
Interference Oil Hole
Finite Element Method
作者简介
李闯，（1991-），男，河南南阳人，硕士研究生，主要研究方向：动力机械结构强度及优化设计；
苏铁熊，（1963-），男，山西原平人，博士研究生，教授，主要研究方向是内燃机设计
